Need Help with slave report ssh not found error

[jiangrzh]

Hi，when i run a job with v2.3.5 in jenkins v1.605， the slave report error：

[EnvInject] - Loading node environment variables. Building remotely on linux_slave (gituser) in workspace /home/gituser/jenkins_slave/workspace/gituser_sample/label/linux_slave

git rev-parse --is-inside-work-tree # timeout=10 Fetching changes from the remote Git repository git config remote.origin.url gitlab@linux_slave:gituser/sample.git # timeout=10 Fetching upstream changes from gitlab@linux_slave:gituser/sample.git git --version # timeout=10 git -c core.askpass=true fetch --tags --progress gitlab@linuxslave:gituser/sample.git +refs/heads/:refs/remotes/origin/_ ERROR: Error fetching remote repo 'origin' hudson.plugins.git.GitException: Failed to fetch from gitlab@linux_slave:gituser/sample.git at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:735) at hudson.plugins.git.GitSCM.retrieveChanges(GitSCM.java:983) at hudson.plugins.git.GitSCM.checkout(GitSCM.java:1016) at hudson.scm.SCM.checkout(SCM.java:484) at hudson.model.AbstractProject.checkout(AbstractProject.java:1270) at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild.java:609) at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86) at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:531) at hudson.model.Run.execute(Run.java:1751) at hudson.matrix.MatrixRun.run(MatrixRun.java:146) at hudson.model.ResourceController.execute(ResourceController.java:89) at hudson.model.Executor.run(Executor.java:240) Caused by: hudson.plugins.git.GitException: Command "git -c core.askpass=true fetch --tags --progress gitlab@linuxslave:gituser/sample.git +refs/heads/:refs/remotes/origin/_" returned status code 128: stdout: stderr: error: cannot run ssh: No such file or directory fatal: unable to fork

at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandIn(CliGitAPIImpl.java:1591) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.launchCommandWithCredentials(CliGitAPIImpl.java:1379) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl.access$300(CliGitAPIImpl.java:86) at org.jenkinsci.plugins.gitclient.CliGitAPIImpl$1.execute(CliGitAPIImpl.java:324) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:152) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler$1.call(RemoteGitImpl.java:145) at hudson.remoting.UserRequest.perform(UserRequest.java:121) at hudson.remoting.UserRequest.perform(UserRequest.java:49) at hudson.remoting.Request$2.run(Request.java:324) at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:701) at ......remote call to linux_slave(Native Method) at hudson.remoting.Channel.attachCallSiteStackTrace(Channel.java:1356) at hudson.remoting.UserResponse.retrieve(UserRequest.java:221) at hudson.remoting.Channel.call(Channel.java:752) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.execute(RemoteGitImpl.java:145) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.jenkinsci.plugins.gitclient.RemoteGitImpl$CommandInvocationHandler.invoke(RemoteGitImpl.java:131) at com.sun.proxy.$Proxy192.execute(Unknown Source) at hudson.plugins.git.GitSCM.fetchFrom(GitSCM.java:733) ... 11 more ERROR: Error fetching remote repo 'origin' Finished: FAILURE

and i also turn on the 'Force polling using workspace' option, but it same error.